well im 17 n me and my b/f of 4monthz alwayz have protected s_x and i would still be on tyme for all my periodz...well, we got busy again a couple dayz b4 i waz due n while in the act i had these really bad crampz n i wanted 2 throw up, ( i thought it waz mostly cuz it would come soon) so i went 2 the b/room n therez this lil roll below my belly (i dont think itz fat lol)...u can barely tell tho but newayz im pretty sure im not pregnant but i did however miss my period and im still waitin for it 2 come lol....wat do u think bout all this?

How late is your period? I would suggest doing a home pregnancy test - even if it's just to put your mind at rest. Your belly would not be growing if you were only a couple of weeks pregnant. Most women don't start showing untill 3+ months. Good luck.